What are the differences between the switch and router? Explain network protocols including Transport Control Protocol / Internet Protocol.

Develop the ability to outline layered approach for networking and the physical layer & associated hardware and software integration.
Question One
What are the differences between the switch and router?
Explain network protocols including Transport Control Protocol / Internet Protocol.
Question Two
Given the following IP address 130.45.151.154, determine the following:
Class of the IP
Network ID
Host ID
The number of hosts
Describe a deep and systematic understanding of Computer networking principles, models, and technologies.
Question Three

Suppose there is a network with four switches connected in a cyclic fashion where each switch has port interfaces of different bandwidths and hence have different port cost. The following table provides information about the bandwidth and the cost of each link. Find a Spanning Tree Path Cost Value for switch 4 where switch 1 is considered as the root switch.
Bandwidth
Cost
10 Mbit
100
100 Mbit
19
1000 Mbit
4

Describe a deep and systematic understanding of Computer networking principles, models and technologies.
Question Four
Why the CSMA CD algorithm does not work in wireless LANs? mention at least two reas

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